US3611549B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
US3611549B1 - - Google Patents
Assignee: —
•
Filing: 1969-07-01
•
Granted: 1988-01-05
•
Expires: 1989-07-01
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:48
CPC Classifications
B; B27; B27C; B27C3/00; B27C3/08; B23; B23B; B23B45/00; B23B45/003; B23B45/005; B23B51/00; B23B51/08; B27G; B27G15/00; B23B2260/00; B23B2260/036; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T29/49826; Y10T29/49838; Y10T29/53; Y10T29/53696; Y10T408/00; Y10T408/03; Y10T408/55; Y10T408/65; Y10T408/665; Y10T408/89; Y10T408/907; Y10T408/909; Y10T408/9095; Y10T408/9097
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-01-04 | 1991-07-06 | 1992-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-01-04 | 1995-07-06 | 1996-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-01-04 | 1999-07-06 | 2000-01-05 | $7700.00 | Window Closed / Lapsed |